Table 2.

Mean improvement in VAS and ODI scores.

	Preoperative	Postoperative	1-Month follow up	6-Month follow up	2-Year follow up
VAS	8.3±1.2	2.9±0.7*	2.3±1.1*	2.8±1.6*	3.0±1.2*
ODI	76.4±12.5	26.7±5.6*	19.5±6.8*	22.9±11.3*	27.8±8.3*

^*P<0.001 compared to preoperative value.